protected void EndReceive(IAsyncResult iar)
{
SocketAsyncState state = (SocketAsyncState)iar.AsyncState;
byte[] data = Hander.EndReceive(iar); //接收的数据
if (data.Length == 0) //如果接收数据长度为0，则断开连接
{
Disconnected(true);
return;
}
Hander.BeginReceive(Stream, EndReceive, state); //再次开始接收数据
if (ReceiveCompleted != null) //接收完成事件
{
ReceiveCompleted(this, new SocketEventArgs(this, SocketAsyncOperation.Receive)
{
Data = data
});
}
}
/// <summary>
/// 异步连接完成
/// </summary>
/// <param name="iar">异步结果</param>
private void EndConnect(IAsyncResult iar)
{
SocketAsyncState state = (SocketAsyncState)iar.AsyncState;
try
{
Socket.EndConnect(iar);
}
catch //出现异常
{
state.Completed = true; //连接失败
if (state.IsAsync && ConnectCompleted != null) //判断是否异步，如果异步则触发异步完成事件
{
ConnectCompleted(this, new SocketEventArgs(this, SocketAsyncOperation.Connect));
}
return;
}
Stream = new NetworkStream(Socket); //连接成功，创建Socket网络流
if (IsUseAuthenticate) //
{
NegotiateStream negotiate = new NegotiateStream(Stream);
negotiate.AuthenticateAsClient();
while (!negotiate.IsMutuallyAuthenticated)
{
System.Threading.Thread.Sleep(10);
}
}
state.Completed = true; //连接完成
if (state.IsAsync && ConnectCompleted != null)
{
ConnectCompleted(this, new SocketEventArgs(this, SocketAsyncOperation.Connect));
}
Hander.BeginReceive(Stream, EndReceive, state); //开始接收数据
}